Geometry 1.10: Use Algebra to Describe Geometry 1
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Point B(6, −3) is translated using the rule (x−5, y+9). What is the y-coordinate of B′ ? Enter your answer in the box.
6
Point T(3, −8) is reflected across the x-axis. Which statements about T′ are true? Select each correct answer.
The x-coordinate is 3. The y-coordinate is 8.
What type of transformation transforms (a, b) to (−a, b)?
a reflection over the y-axis
Point (m, n) is transformed by the rule (m−3, n). What type of transformation occurred?
a translation of 3 units to the left
What transformation is represented by the rule (x, y)→(−y, x) ?
rotation of 90° counterclockwise about the origin
